<%--
  Created by IntelliJ IDEA.
  User: ss
  Date: 2021/12/13
  Time: 15:27
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<script type="text/javascript" src="js/jquery-1.8.0.min.js"></script>
<script>
    $(function (){
        $("#uname").blur(function (){
            //1.获得value值
            var uname = $(this).val();
            //2. 发送请求
            // $.ajax({
            //     url:"/testuname",
            //     data:"username"+name,
            //     type:"post",
            //     dataType:"text",
            //     success:function (rs){
            //         $("#rs").html(rs)
            //     }
            //
            // })
            $.post("/testuname","username="+uname,function (res){
                $("#rs").html(res);
            })
        })


    })
</script>
<body>
用户名：<input type="text" id="uname" ><span id="rs"></span>
</body>
</html>
